Cap: 3-6 cm across, young cushion shaped to hemispherical, later expanded, scarcely flattened, white, old with weak green to gray green or blue green touch, smooth to wrinkled, pitted, in wet greasy, in dry fine tomentose to strongly tomentose, smooth, margin even, sometimes undulating and projecting somewhat beyond the tubes.
Hymenophore: pores are white, later whitish flesh gray or whitish gray green, forming a pulvinate contour and strongly notched at the stem.
Spore print: light brown
Spore: fusiform, 15,3-18 x 5,4-6,6(7)μm
Stem: 5-10 x 0,7-1,2 cm, cylindric to conic, somewhat thickened toward the base, the whole length covered with white to slightly brownish scabres on a white background, bruised places turning greenish, solid, flesh longitudinally fibrous, whitish and not discoloring when cut, basal mycelium is whitish.
Flesh: whitish and often greenish, rarely on stem dirty brown, base is rarely blue, weak discolored to dirty pale pink, in cup soft, in stem fibrous hard, odor faint not distinctive, taste mild.
Habitat: in moors and heathlike marginal zones of hanging moors, under birch, grows from summer to fall.
Remarks: under same name also Leccinum holopus var. americanum, which stem is especially on the upper half and if touched pink reddish, ornaments on stem are blackish; and Leccinum holopus var. holopus, which ornaments on stem are whitish and in age becomig brownish; Leccinum nucatum, which is darker.